ST7FLITE29 STMICROELECTRONICS [STMicroelectronics], ST7FLITE29 Datasheet - Page 50
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ST7FLITE29
Manufacturer Part Number
ST7FLITE29
Description
8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, DATA EEPROM, ADC, TIMERS, SPI
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet
1.ST7FLITE29.pdf
(131 pages)
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ST7LITE2
I/O PORTS (Cont’d)
10.7 DEVICE-SPECIFIC I/O PORT CONFIGURATION
The I/O port register configurations are summa-
rised as follows.
Standard Ports
PA7:0, PB6:0
Table 10. Port Configuration (Standard ports)
Note: On ports where the external interrupt capability is selected using the EISR register, the configura-
tion will be as follows:
Table 11. I/O Port Register Map and Reset Values
50/131
1
floating input
pull-up input
open drain output
push-pull output
Address
(Hex.)
0000h
0001h
0002h
0003h
0004h
0005h
Port A
Port B
Port A
Port B
Port
Port
PADR
Reset Value
PADDR
Reset Value
PAOR
Reset Value
PBDR
Reset Value
PBDDR
Reset Value
PBOR
Reset Value
MODE
Register
Label
PA7:0
PB6:0
PA7:0
PB6:0
Pin name
Pin name
MSB
MSB
MSB
MSB
MSB
MSB
7
1
0
0
1
0
0
DDR
0
0
1
1
OR = 0
OR = 0
floating
floating
floating
floating
6
1
0
1
1
0
0
OR
0
1
0
1
Input
Input
5
1
0
0
1
0
0
pull-up interrupt
pull-up interrupt
Interrupt Ports
Ports where the external interrupt capability is
selected using the EISR register
OR = 1
OR = 1
floating input
pull-up interrupt input
open drain output
push-pull output
pull-up
pull-up
4
1
0
0
1
0
0
MODE
3
1
0
0
1
0
0
open drain
open drain
open drain
open drain
OR = 0
OR = 0
2
1
0
0
1
0
0
Output
Output
1
1
0
0
1
0
0
DDR
0
0
1
1
push-pull
push-pull
push-pull
push-pull
OR = 1
OR = 1
LSB
LSB
LSB
LSB
LSB
LSB
OR
0
1
0
0
1
0
0
0
1
0
1